Ask Geoffrey Ask Geoffrey: What Exactly is the Skokie Ditch? Erica Gunderson | September 7, 2016, 4:20 pm Thanks to our sponsors: View all sponsors Thanks to our sponsors: View all sponsors Tags Chicago History Related Stories Reflecting on Native American Experiences as the US Celebrates 250th Anniversary From a Replica Oval Office to Michelle Obama’s Dresses, What’s Inside the Obama Presidential Center ‘Like Lightning Struck’: Community Marks 60 Years Since the First Division Street Riot, Puerto Rican Rebellion ‘More Than Just a Road’: Illinois Communities Celebrate Route 66’s Centennial Chicago Labor Groups, Students to Participate in May Day Events on Friday. Here’s What to Know Geoffrey Baer Explores Chicago’s Rail System in New Special Sign up for our morning newsletter to get all of our stories delivered to your mailbox each weekday. View the discussion thread. Thanks to our sponsors: